(March 11, 2024, 11:44 AM EDT) -- WASHINGTON, D.C. — An artificial intelligence developer has not established any reason why the District of Columbia Circuit U.S. Court of Appeals should “upend . . . well-established principles” that “nonhuman authors are not entitled to copyright protection,” the U.S. Copyright Office argues in an appellee brief, asking the court to find that a trial court properly upheld the office’s refusal to issue a copyright for a work of art to an AI machine....